engineering mathematics MCQ #731

If y = 2x³ + 5x², then dy/dx = ?

engineering mathematics MCQ #731

  1. Question 1

    Q1. If y = 2x³ + 5x², then dy/dx = ?

    • A) 6x² + 10x
    • B) 6x + 10
    • C) 2x² + 5x
    • D) 6x³ + 10x²

    Answer: 6x² + 10x

    Explanation: Using the power rule for differentiation, if y = x^n, then dy/dx = nx^(n-1). So, dy/dx = d(2x³ + 5x²)/dx = 6x² + 10x.